Heroin is a highly addictive, euphoria-inducing analgesic drug derived from morphine that  comes in a white or brown powder form taken by smoking, injecting, or snorting. Heroin  obtained illegally is referred to as hard candy, rush hour, smack, H, Chinese red, Mexican mud  and is commonly laced with fentanyl. Heroin can also be a Pharmaceutical Narcotics Lab created medication that uses the same chemical structure as that found in the opium poppy  plant, producing relaxation and pain relief. Common prescriptions include Vicodin, OxyContin,  codeine, morphine.